Age Range Ratios for Family Child Care in Washington State
Infants: Providers may care for up to 12 children with a qualified assistant; provider with 1 year of experience may care for 10 children alone if none are under 5 years of age; provider with 2 years of experience, an ECE course and an assistant may care for a maximum of 4 children under 2 years of age.

May have up to 12 children including provider's own children.

Must be 2 providers when there are more than 2 children under age of 2; 7 or more children are in care and any child is under age 2; or, more than 10 children of any age.